CN215408710U - Supporting platform device - Google Patents

Abstract

The utility model discloses a supporting platform device, which relates to the technical field of roadway tunneling machinery and comprises a main platform structure, side platform structures, a front platform structure and an adjusting structure, wherein one end of the adjusting structure is connected with the main platform structure, the adjusting structure is used for adjusting the position or the angle of the main platform structure, the side platform structure is arranged on at least one side of the main platform structure and can be unfolded and retracted, the side platform structure is used for supporting the side wall of a roadway, at least one front platform structure is arranged at one end of the main platform structure or one end of the side platform structure and can be unfolded and retracted, the front platform structure is used for supporting the side wall in the roadway tunneling direction, and the main platform structure is used for supporting a roadway top plate. When the support platform device works, the front platform structure or the side platform structure can be gradually unfolded according to the tunneling requirement, so that the whole support platform device can meet the actual requirement, the operation under the empty roof is avoided, and the construction safety is ensured.

Description

Supporting platform device

Technical Field

The utility model relates to the technical field of roadway tunneling machinery, in particular to a supporting platform device.

Background

At present, in the heading construction process of the roadway in China, heading operation on the head is not allowed to be carried out under the empty roof, so the heading construction of the roadway is required to be carried out under the roadway with supports, most of the existing support platforms adopt a fixed structure, namely, in the process of each heading cycle, the area of the top of the roadway which can be protected is fixed and unchanged, the support platform cannot adapt to the condition that the geological conditions of the top plate of the roadway are changeable, namely, the support requirement of multi-row-distance heading cannot be met when the condition of the top plate is good, the support requirement of less-row-distance heading cannot be met when the condition of the top plate is poor, the adaptability is poor, and the heading efficiency of the roadway is severely limited.

In addition, some machine-mounted supporting platforms on the tunneling machine have a telescopic function, but in actual use, the tunneling machine needs to finish tunnel tunneling, a cutting arm of the tunneling machine falls down and stops cutting operation, then the machine-mounted supporting platforms are unfolded and support the top of a tunnel, due to the limitation of the structure, the supporting area of the machine-mounted supporting platforms after being unfolded is limited, the actual need cannot be completely met, supporting and tunneling operation cannot be synchronous, empty top operation exists during tunneling, potential safety hazards exist, the occupied time of process alternation, supporting adjustment and the like is long, and the tunneling efficiency is influenced. Meanwhile, the cutting arm of the heading machine and the onboard supporting platform occupy a lot of space of a roadway, so that the operation of drilling, locking and the like of the anchor rod and the anchor cable is inconvenient to carry out in a matching manner, and potential safety hazards also exist.

Therefore, the utility model provides a novel collapsible flexible supporting platform device that can adapt to multirow apart from tunnelling supporting operation, is the problem that technical personnel in the field need solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a supporting platform device, which aims to solve the problems in the prior art, and can gradually expand a front platform structure or a side platform structure according to the tunneling requirement during working, so that the whole supporting platform device can meet the actual requirement, the operation under the empty roof is avoided, and the construction safety is ensured.

In order to achieve the purpose, the utility model provides the following scheme:

the utility model provides a supporting platform device which comprises a main platform structure, side platform structures, a front platform structure and an adjusting structure, wherein one end of the adjusting structure is connected with the main platform structure, the adjusting structure is used for adjusting the position or the angle of the main platform structure, the side platform structure is arranged on at least one side of the main platform structure and can be unfolded and retracted, the side platform structures are used for supporting the side wall of a roadway, at least one front platform structure is arranged on one end of the main platform structure or one end of the side platform structure and can be unfolded and retracted, the front platform structure is used for supporting the side wall of the roadway in the tunneling direction, and the main platform structure is used for supporting the top plate of the roadway.

Preferably, the main platform structure comprises a first main frame and a second main frame, the first main frame and the second main frame have the same structure, the first main frame comprises a main beam and a supporting beam, the main beam is connected with the supporting beam, the side platform structure is sleeved outside the supporting beam and is in sliding connection with the supporting beam, telescopic driving mechanisms are arranged between the side platform structure and the supporting beam, the telescopic driving mechanisms drive the side platform structure and the main platform structure to slide relatively to realize the expansion and retraction of the side platform structure, and the front platform structure is arranged at one end of the side platform structure; the adjusting structure is connected with the main beam of the first main frame and the main beam of the second main frame.

Preferably, the main platform structure comprises a cross beam assembly and a longitudinal beam assembly, the cross beam assembly and the longitudinal beam assembly are vertically arranged, the front platform structure is connected with one end of the longitudinal beam assembly, the side platform structure and the cross beam assembly can rotate relatively, and the adjusting structure is connected with the cross beam assembly and/or the longitudinal beam assembly.

Preferably, the side platform structure and the beam assembly are connected in a sliding mode through a sliding assembly along the tunneling direction, the side platform structure is hinged to the sliding assembly, a swing driving mechanism is arranged between the side platform structure and the sliding assembly, the swing driving mechanism drives the side platform structure and the sliding assembly to rotate relatively, and the side platform structure is unfolded and retracted.

Preferably, each longitudinal beam assembly comprises at least two longitudinal beams which are sequentially connected in a sliding manner, a longitudinal beam driving mechanism is arranged between every two adjacent longitudinal beams, and the longitudinal beam driving mechanism drives the adjacent longitudinal beams to slide relatively; each beam assembly comprises at least two beams which are sequentially connected in a sliding mode, a beam driving mechanism is arranged between every two adjacent beams, and the beam driving mechanisms drive the adjacent beams to slide relatively.

Preferably, the supporting platform device comprises at least two front platform structures, the adjacent front platform structures are hinged, the front platform structure at one end is hinged with the main platform structure or the side platform structure, front platform driving mechanisms are arranged between the adjacent front platform structures, between the front platform structures and the main platform structure or between the front platform structures and the side platform structure, and the front platform driving mechanisms realize the unfolding and the folding of the front platform structures.

Preferably, the side platform structure comprises at least two side platform components which are mutually connected in a sliding manner, a side driving mechanism is arranged between the adjacent side platform components, and the side driving mechanism drives the adjacent side platform components to slide relatively.

Preferably, the supporting platform device further comprises a plurality of supporting legs, each supporting leg is hinged to the main platform structure and/or the side platform structure, each supporting leg is unfolded and retracted through a supporting leg driving mechanism, and the supporting legs are used for supporting the supporting platform device.

Preferably, the adjusting structure includes a first adjusting component and a second adjusting component, the first adjusting component is connected with the main platform structure, the first adjusting component drives the main platform structure to rotate around a first axis, the second adjusting component is connected with the first adjusting component, the second adjusting component drives the first adjusting component and the main platform structure to rotate around a second axis, and the first axis is perpendicular to the second axis.

Preferably, the adjusting structure still includes the every single move subassembly, the every single move subassembly is including propping up armguard, first extending structure and second extending structure, first extending structure's one end is articulated with first connecting seat, first connecting seat with the second adjusting part is connected, prop up the one end of armguard with first connecting seat is articulated, first extending structure's the other end is articulated with the middle part of propping the arm, the one end of second extending structure with prop up the middle part of armguard and articulate, the other end of second extending structure is articulated with the second connecting seat, prop up the other end of armguard with the second connecting seat is articulated.

Compared with the prior art, the utility model has the following technical effects:

the utility model can replace a support platform frame on suspension rail equipment, and can also replace a support frame on a machine-mounted support platform on a heading machine or a temporary support platform used for roadway heading equipment such as a drilling machine and the like, thereby meeting the support requirement during roadway heading and ensuring the construction safety. When the support platform device works, the front platform structure or the side platform structure can be gradually unfolded according to the tunneling requirement, so that the whole support platform device can meet the actual requirement, the operation under the empty roof is avoided, and the construction safety is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a top view of a support platform assembly of the present invention (embodiment one);

fig. 2 is a front view of the supporting platform device of the present invention (embodiment one);

FIG. 3 is a top view of the main platform structure, side platform structure, and front platform structure of the present invention, all deployed (embodiment one);

FIG. 4 is a side view of FIG. 3 (embodiment one);

FIG. 5 is a partially exploded top view of the front platform structure of the present invention (embodiment one);

FIG. 6 is a side view of FIG. 5 (embodiment one);

FIG. 7 is a top view of the main platform structure, side platform structure, and front platform structure of the present invention fully retracted (embodiment one);

FIG. 8 is a side view of FIG. 7 (embodiment one);

FIG. 9 is a top view of the first or second main frame of the present invention (embodiment one);

FIG. 10 is a top view of a side platform structure according to the present invention (embodiment one);

FIG. 11 is a side view of FIG. 10 (embodiment one);

FIG. 12 is a top view of a front stage structure according to the present invention (embodiment one);

FIG. 13 is a side view of a first front platform structure (embodiment one);

FIG. 14 is a side view of a second embodiment of the front platform structure;

figure 15 is a top plan view of the support platform assembly of the present invention (example two);

figure 16 is a side view of the support platform assembly of the present invention (example two);

figure 17 is a front view of the support platform assembly of the present invention (example two);

FIG. 18 is a side view of the main platform structure, side platform structure, front platform structure of the present invention fully retracted (example two);

FIG. 19 is a front view of the main platform structure, side platform structure, front platform structure of the present invention fully retracted (embodiment two);

FIG. 20 is a fully expanded side view of the main platform structure, side platform structure, and front platform structure of the present invention (example two);

FIG. 21 is a fully expanded front view of the main platform structure, side platform structure, front platform structure of the present invention (embodiment two);

FIG. 22 is a front elevational view of the main platform structure, side platform structure, front platform structure, legs, all retracted in accordance with the present invention (embodiment two);

FIG. 23 is an extended view of a leg of the present invention (embodiment two);

FIG. 24 is a schematic side-platform structure of the present invention (embodiment II);

FIG. 25 is a schematic side platform assembly view of the present invention (embodiment two);

FIG. 26 is a top view of the main platform structure of the present invention (embodiment II);

FIG. 27 is a top view of the cross-beam assembly of the present invention (embodiment two);

FIG. 28 is a side view of the cross-beam assembly of the present invention (embodiment two);

FIG. 29 is a top plan view of the cross-beam assembly of the present invention fully retracted (embodiment two);

FIG. 30 is a view of the first cross member assembly of the present invention in an extended state (embodiment two);

FIG. 31 is a second cross member assembly of the present invention in an extended position (embodiment two);

FIG. 32 is a third cross member assembly of the present invention in an extended position (embodiment two);

FIG. 33 is a side view of the front platform structure of the present invention in a retracted configuration (embodiment two);

FIG. 34 is a sectional view taken along line A-A of FIG. 33 (example two);

FIG. 35 is a first expanded view (embodiment II) of the front platform structure of the present invention;

FIG. 36 is a second expanded view of the front platform structure of the present invention (embodiment II);

FIG. 37 is a third expanded view of the front platform structure of the present invention (embodiment II);

FIG. 38 is a schematic view of an adjustment structure of the present invention (embodiment II);

wherein: 100-supporting platform arrangement, 1-main platform arrangement, 2-side platform arrangement, 3-front platform arrangement, 4-adjustment arrangement, 5-first main frame, 6-second main frame, 7-main beam, 8-corbel, 9-telescopic drive, 10-cross beam arrangement, 11-longitudinal beam arrangement, 12-slide arrangement, 13-swing drive, 14-longitudinal beam, 15-longitudinal beam drive, 16-cross beam, 17-cross beam drive, 18-front platform drive, 19-side platform arrangement, 20-leg, 21-leg drive, 22-first adjustment arrangement, 23-second adjustment arrangement, 24-pitch arrangement, 25-supporting arm, 26-first telescopic arrangement, 27-second telescopic structure, 28-first connecting seat, 29-second connecting seat, 30-cylinder seat, 31-first guide rail, 32-cylinder connecting seat, 33-second guide rail, 34-longitudinal beam seat, 35-side frame seat and 36-guide rail seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

The utility model aims to provide a supporting platform device, which aims to solve the problems in the prior art, and can gradually expand a front platform structure or a side platform structure according to the tunneling requirement during working, so that the whole supporting platform device can meet the actual requirement, the operation under the empty roof is avoided, and the construction safety is ensured.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example one

As shown in fig. 1-14: this embodiment provides a supporting platform device 100, including main platform structure 1, side platform structure 2, front platform structure 3 and regulation structure 4, the one end of regulation structure 4 is connected with main platform structure 1, it is used for adjusting main platform structure 1's position or angle to adjust structure 4, at least one side of main platform structure 1 is provided with side platform structure 2, side platform structure 2 can expand and withdraw, side platform structure 2 is used for the support of tunnel lateral wall, main platform structure 1's one end or side platform structure 2's one end is provided with at least one front platform structure 3, front platform structure 3 can expand and withdraw, front platform structure 3 is used for the support of tunnel tunnelling direction lateral wall, main platform structure 1 is used for the support of tunnel roof.

Specifically, in this embodiment, the main platform structure 1 includes a first main frame 5 and a second main frame 6, the first main frame 5 and the second main frame 6 have the same structure, the first main frame 5 includes a main beam 7 and a support beam 8, the support beam 8 includes a plurality of beams, the main beam 7 and the support beam 8 are vertically and fixedly connected, the side platform structure 2 is sleeved on the outer side of the support beam 8 and slidably connected with the support beam 8 to meet the requirement of actual roadway width supporting operation, specifically, the cross section of each support beam 8 is rectangular, circular or polygonal, the side platform structure 2 is provided with a plurality of first guide rails 31, each support beam 8 slides along the corresponding first guide rails 31, a telescopic driving mechanism 9 is provided between the side platform structure 2 and the support beam 8, the telescopic driving mechanism 9 can be provided with a single group or multiple groups according to the requirement of the size of the side platform structure 2, two ends of the telescopic driving mechanism 9 are respectively connected with the side platform structure 2, The supporting beam 8 is hinged, the telescopic driving mechanism 9 of the embodiment is a telescopic oil cylinder, the telescopic driving mechanism 9 drives the side platform structure 2 and the main platform structure 1 to relatively slide, so that the side platform structure 2 is unfolded and retracted, the telescopic driving mechanism 9 of the embodiment is a telescopic oil cylinder, and the front platform structure 3 is arranged at one end of the side platform structure 2; the adjusting structure 4 is connected with the main beams 7 of the first main frame 5 and the main beams 7 of the second main frame 6.

In order to adapt to the trapezoidal tunnel, that is one side of the tunnel is high, the other side is low, and the tunnel cross section is similar to a right trapezoid, and then the longitudinal height of the side platform structure 2 on any side in this embodiment is increased adaptively, and the height of the side platform structure 2 on the other side is unchanged, so that the tunnel with the cross section being a right trapezoid can be matched.

In this embodiment, the supporting platform device 100 includes at least two front platform structures 3, the at least two front platform structures 3 are symmetrically disposed on the two side platform structures 2, the adjacent front platform structures 3 are hinged, the front platform structure 3 at one end is hinged to the main platform structure 1 or the side platform structure 2, the front platform driving mechanism 18 is disposed between the adjacent front platform structures 3 and between the front platform structure 3 and the main platform structure 1 or the side platform structure 2, the front platform driving mechanism 18 realizes the expansion and retraction of the front platform structure 3, the front platform driving mechanism 18 of this embodiment is a spiral swing oil cylinder, the oil cylinder seat 30 is disposed at one end of one front platform structure 3 or one end of the side platform structure 2, the oil cylinder connecting seat 32 is disposed at one end of the adjacent front platform structure 3, the spiral swing oil cylinder and the oil cylinder seat 30, the oil cylinder connecting seats 32 are connected to realize the hinging of the front platform structure 3.

In this embodiment, the front platform driving mechanism 18 is adjusted to rotate the front platform structure 3 to be in two states of supporting the top of the roadway or facing the roadway, and the front platform structure 3 can be recovered to the lower side of the side platform structure 2 when the front platform driving mechanism is not in operation.

The front platform drive mechanism 18 of this embodiment may also be a slew reducer or a hydraulic ram.

During the in-service use, can set up multiunit front platform structure 3 as required, the front platform structure 3 can be opened gradually as required in the during operation, in order to satisfy the operation of strutting that a tunnelling circulation can carry out the multirow distance, reduce the assistance-time, the efficiency of construction is improved, front platform structure 3 expandes the order and is expanded one by one to the direction of keeping away from side platform structure 2 by being close to side platform structure 2, and then carry out according to the order opposite with the expansion when withdrawing, withdraw one by one to the direction of being close to side platform structure 2 by keeping away from side platform structure 2 promptly.

In this embodiment, the supporting platform device 100 further includes a plurality of supporting legs 20, each supporting leg 20 is a telescopic structure, each supporting leg 20 is telescopic by a supporting leg telescopic cylinder, each supporting leg 20 is hinged to the main platform structure 1 and/or the side platform structure 2 by a hinged support and a supporting leg driving mechanism 21, each supporting leg 20 is respectively unfolded and retracted by a supporting leg driving mechanism 21, the angle between the supporting leg 20 and the main platform structure 1 and/or the side platform structure 2 is adjusted, the supporting leg 20 is used for supporting the supporting platform device 100, and the supporting leg driving mechanism 21 of this embodiment is a swing cylinder or a turnover cylinder. When the device works, the swing oil cylinder or the turnover oil cylinder extends out to jack the supporting leg 20 in place (vertical to the ground), and the supporting leg telescopic oil cylinder is started to extend out to jack the solid ground, so that the device 100 for supporting and stabilizing the supporting platform is played. When the construction is finished, the supporting leg telescopic oil cylinder is retracted, the swing oil cylinder or the turnover oil cylinder is retracted, the supporting leg 20 is retracted and hidden in the supporting platform device 100, and the staggered height space is not occupied by staggered overlapping.

In this embodiment, the adjusting structure 4 includes a first adjusting component 22 and a second adjusting component 23, the first adjusting component 22 is connected to the main beams 7 and 7 of the first and second main frames 5 and 6, a pressure sensor is disposed between the main platform structure 1 and the adjusting structure 4, the first adjusting component 22 drives the main platform structure 1 to rotate around a first axis, the second adjusting component 23 is connected to the first adjusting component 22, the second adjusting component 23 drives the first adjusting component 22 and the main platform structure 1 to rotate around a second axis, the first axis is perpendicular to the second axis, in this embodiment, the first axis is an axis of the first adjusting component 22, the second axis is an axis of the second adjusting component 23, the first adjusting component 22 is a vertical rotary cylinder, the first adjusting component 22 is used for adjusting the supporting platform in the horizontal direction to ensure that the supporting platform is perpendicular to the roadway side direction, the second adjusting component 23 is a rotary swing cylinder or a horizontal rotary cylinder, and the second adjusting component 23 enables the whole supporting platform device 100 to swing in the horizontal direction so as to adapt to the top structure of the top of the trapezoid tunnel with high left and low right (low left and high right).

In this embodiment, the first adjusting assembly 22 may be connected to the main platform structure 1 through a rotation reducer, a pressure sensor is disposed between the rotation reducer and the main platform structure 1, and the change of the roadway roof is sensed by the stress of the pressure sensor. A pressure rated value can be designed, if the pressure value detected by the pressure sensor changes and continuously changes, the roof is shown to sink, and active support is required; if the numerical value is unchanged, the top plate is unchanged and the support is good.

In this embodiment, the adjusting structure 4 further includes a pitching assembly 24, the pitching assembly 24 includes a supporting arm 25, a first telescopic structure 26 and a second telescopic structure 27, the supporting arm 25 is a telescopic arm, one end of the first telescopic structure 26 is hinged to the first connecting seat 28, the first connecting seat 28 is connected to the second adjusting assembly 23, one end of the supporting arm 25 is hinged to the first connecting seat 28, the other end of the first telescopic structure 26 is hinged to the middle of the supporting arm 25, one end of the second telescopic structure 27 is hinged to the middle of the supporting arm 25, the other end of the second telescopic structure 27 is hinged to the second connecting seat 29, the other end of the supporting arm 25 is hinged to the second connecting seat 29, and the second connecting seat 29 is used for being connected to a main frame of the excavator. The first and second telescoping structures 26, 27 of this embodiment are both cylinders.

When the supporting platform device 100 of the embodiment works, the side platform structures 2 on the two sides can be respectively extended out to the two sides under the driving of the telescopic driving mechanism 9, so that the top of the roadway can be protected, and meanwhile, the front platform structure 3 at the front end of the side platform structure 2 can be gradually expanded to protect the top of the roadway along with the deep tunneling of the roadway, so that the empty roof operation is avoided, and the construction safety is ensured. When the supporting platform device 100 of the embodiment is not in operation, the side platform structures 2 on the two sides can be contracted along with the retraction of the telescopic driving mechanism 9, and the whole width becomes narrow after the contraction; the front platform structure 3 can also be driven by the front platform driving mechanism 18 to rotate downwards and fold and shorten, so that the size in the length direction is shortened, and the whole supporting platform device 100 is convenient to walk after being shortened and narrowed.

The embodiment meets the requirement of continuous long-distance tunneling of multiple rows of distances of the tunneling machine, realizes simultaneous tunneling and simultaneous supporting, actively protects the top plate by sensing structural change of the top plate through the pressure sensor, prevents the change of the top plate geology due to cutting stress, and achieves the purpose of temporary long support of multiple rows of distances and active temporary support.

Example two

As shown in fig. 15-38: the difference between this embodiment and the first embodiment is: in this embodiment, the main platform structure 1 includes a cross member assembly 10 and a longitudinal member assembly 11, the cross member assembly 10 is perpendicular to and slides along the longitudinal member assembly 11, the front platform structure 3 is connected to one end of the longitudinal member assembly 11, the side platform structure 2 and the cross member assembly 10 can rotate relatively, and the adjusting structure 4 is connected to the cross member assembly 10 and/or the longitudinal member assembly 11.

In this embodiment, side platform structure 2 and beam assembly 10 pass through sliding assembly 12 sliding connection along the tunnelling direction, side platform structure 2 is articulated with sliding assembly 12, sliding assembly 12 of this embodiment includes side frame seat 35, side frame seat 35 sets up the outer end at the most inboard crossbeam 16, side platform structure 2 and side frame seat 35 sliding connection, be provided with swing actuating mechanism 13 between side platform structure 2 and the sliding assembly 12, swing actuating mechanism 13 drive side platform structure 2 and sliding assembly 12 relatively rotate, realize the expansion and withdraw of side platform structure 2, swing actuating mechanism 13 of this embodiment is the hydro-cylinder.

In this embodiment, each longitudinal beam assembly 11 includes at least two longitudinal beams 14 sequentially connected in a sliding manner, each longitudinal beam 14 is provided with a second guide rail 33, adjacent longitudinal beams 14 slide along the second guide rails 33, a longitudinal beam driving mechanism 15 is arranged between adjacent longitudinal beams 14, and the longitudinal beam driving mechanism 15 drives the adjacent longitudinal beams 14 to slide relatively; each beam assembly 10 comprises at least two beams 16 which are sequentially connected in a sliding manner, a beam driving mechanism 17 is arranged between every two adjacent beams 16, the beam driving mechanism 17 drives the adjacent beams 16 to slide relatively, and the beam driving mechanism 17 and the longitudinal beam driving mechanism 15 are oil cylinders in the embodiment.

Specifically, the rail seat 36 is disposed on the outermost cross beam 16 on the cross beam assembly 10, the outermost longitudinal beam 14 in the longitudinal beam assembly 11 is provided with a longitudinal beam seat 34, the longitudinal beam seat 34 is slidably connected with the rail seat 36 to achieve the sliding connection between the longitudinal beam assembly 11 and the cross beam assembly 10, the front platform structure 3 is hinged to one end of the innermost longitudinal beam 14, and the front platform driving mechanism 18 in this embodiment is a folding cylinder.

In this embodiment, the side platform structure 2 includes at least two side platform assemblies 19 slidably connected to each other, and a side driving mechanism is disposed between adjacent side platform assemblies 19, and drives the adjacent side platform assemblies 19 to slide relatively.

The arm 25 of this embodiment is not extendable and retractable.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.

Claims (10)

1. The utility model provides a support platform device which characterized in that: including main platform structure, side platform structure, preceding platform structure and regulation structure, the one end of adjusting the structure with main platform structural connection, it is used for the adjustment to adjust the structure the position or the angle of main platform structure, at least one side of main platform structure is provided with the side platform structure, the side platform structure can expand and withdraw, the side platform structure is used for the support of tunnel lateral wall, the one end of main platform structure or the one end of side platform structure is provided with at least one preceding platform structure, preceding platform structure can expand and withdraw, preceding platform structure is used for the support of tunnel tunnelling direction lateral wall, main platform structure is used for the support of tunnel roof.

2. The support platform assembly of claim 1, wherein: the main platform structure comprises a first main frame and a second main frame, the first main frame and the second main frame are identical in structure, the first main frame comprises a main beam and a supporting beam, the main beam is connected with the supporting beam, the side platform structure is sleeved on the outer side of the supporting beam and is in sliding connection with the supporting beam, telescopic driving mechanisms are arranged between the side platform structure and the supporting beam, the telescopic driving mechanisms drive the side platform structure and the main platform structure to slide relatively to realize the expansion and retraction of the side platform structure, and the front platform structure is arranged at one end of the side platform structure; the adjusting structure is connected with the main beam of the first main frame and the main beam of the second main frame.

3. The support platform assembly of claim 1, wherein: the main platform structure comprises a beam assembly and a longitudinal beam assembly, the beam assembly and the longitudinal beam assembly are vertically arranged, the front platform structure is connected with one end of the longitudinal beam assembly, the side platform structure and the beam assembly can rotate relatively, and the adjusting structure is connected with the beam assembly and/or the longitudinal beam assembly.

4. The support platform assembly of claim 3, wherein: the side platform structure and the beam assembly are connected in a sliding mode through a sliding assembly in the tunneling direction, the side platform structure is hinged to the sliding assembly, a swing driving mechanism is arranged between the side platform structure and the sliding assembly and drives the side platform structure and the sliding assembly to rotate relatively, and the side platform structure is unfolded and retracted.

5. The support platform assembly of claim 3, wherein: each longitudinal beam assembly comprises at least two longitudinal beams which are sequentially connected in a sliding manner, a longitudinal beam driving mechanism is arranged between every two adjacent longitudinal beams, and the longitudinal beam driving mechanisms drive the adjacent longitudinal beams to slide relatively; each beam assembly comprises at least two beams which are sequentially connected in a sliding mode, a beam driving mechanism is arranged between every two adjacent beams, and the beam driving mechanisms drive the adjacent beams to slide relatively.

6. The support platform assembly of claim 1, wherein: the supporting platform device comprises at least two front platform structures, the adjacent front platform structures are hinged, the front platform structure at one end is hinged with the main platform structure or the side platform structure, front platform driving mechanisms are arranged between the adjacent front platform structures, between the front platform structures and the main platform structure or between the front platform structures and the side platform structure, and the front platform driving mechanisms are used for realizing the expansion and the retraction of the front platform structures.

7. The support platform assembly of claim 1, 2 or 3, wherein: the side platform structure comprises at least two side platform components which are in sliding connection with each other, a side driving mechanism is arranged between every two adjacent side platform components, and the side driving mechanisms drive the adjacent side platform components to slide relatively.

8. The support platform assembly of claim 1, wherein: the supporting platform device further comprises a plurality of supporting legs, each supporting leg is hinged with the main platform structure and/or the side platform structure, each supporting leg is unfolded and retracted through a supporting leg driving mechanism, and the supporting legs are used for supporting the supporting platform device.

9. The support platform assembly of claim 1, wherein: the adjusting structure comprises a first adjusting component and a second adjusting component, the first adjusting component is connected with the main platform structure, the first adjusting component drives the main platform structure to rotate around a first axis, the second adjusting component is connected with the first adjusting component, the second adjusting component drives the first adjusting component and the main platform structure to rotate around a second axis, and the first axis is perpendicular to the second axis.

10. The support platform assembly of claim 9, wherein: the adjusting structure further comprises a pitching assembly, the pitching assembly comprises a supporting arm, a first telescopic structure and a second telescopic structure, one end of the first telescopic structure is hinged to the first connecting seat, the first connecting seat is connected with the second adjusting assembly, one end of the supporting arm is hinged to the first connecting seat, the other end of the first telescopic structure is hinged to the middle of the supporting arm, one end of the second telescopic structure is hinged to the middle of the supporting arm, the other end of the second telescopic structure is hinged to the second connecting seat, and the other end of the supporting arm is hinged to the second connecting seat.

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